Bch Crane Duty Motors
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INTRODUCTION APPLICATION: “BCH” brand crane duty TEFC Squirrel Cage induction motors are specially designed for frequent starts/stops & reversing required in cranes & lifts of all types. They can also be used in applications such as material handling, weirs & sluices, auxiliary motors in rolling mills or wherever intermittent drives are required. RANGE: KW RPM Mounting
: 0.18 to 30 kW (Higher sizes on request) : 1500, 1000, 750 : Foot (B3), flange (B5), face (B14) & combinations Frame : 71 to 200L Voltage : 415V ± 10% or as required Frequency : 50Hz ± 5% or as required Ambient : 45°C. For motors other than this, a deration factor is applied as per Fig. 1 Altitude : upto 1000m above MSL. Rotor type : Squirrel cage aluminium die cast Enclosure : Totally enclosed fan cooled (TEFC) Protection : IP55 Insulation class : Class F insulation with temp. rise limited to class B Duty cycle : S3 – S5 Standards : IS: 325, IS: 1231, IS: 2223 & IS: 4722
Fig. 1: Deration factor Ambient temp. 45°C 50°C 55°C 60°C
Deration factor 0.96 0.90 0.83 0.75
CONSTRUCTION: Castings: “BCH” crane duty motors’ housings & end shields are made from high quality castings as per IS: 210. All components are machined to correct accuracy & alignment. Stampings: The stampings are made from low loss high permeability steel (M45 grade CRNGO steel)
Terminal Box: Standard location of terminal box is on top. However the terminal box on right or left side can be provided on request. The terminal box can be rotated in steps of 90° in each position. MOTORS WITH INTEGRAL BRAKES: These motors can be supplied with integral electromagnetic DC fail safe brakes with built in rectifiers. ENQUIRY DETAILS: When placing an enquiry, please furnish the following details; • • • • • • • •
Application details Motor power & speed Voltage & frequency variations Mounting No. of start/stops per hour with duty & CDF Load GD² at motor speed Load torque or torque/speed curve of driven equipment Duty cycle diagram if other than those described herein
DEFINITIONS: The terms frequently used in the intermittent duty drives are as follows; 1. Duty: Operation of the motor at load including no load & deenergized period to which the motor is subjected including the sequence & duration. 2. Cyclic Duration Factor (CDF): The ratio between the period of loading including starting & electric braking and the duration of the duty cycle expressed as percentage. 3. Starting: The process of energizing a motor to bring it upto its rated speed from rest. 4. Electric Braking: A system in which a braking action is applied to an electric motor by causing it to act as a generator. 5. Regenerative Braking: A system of electric braking in which energy is returned to the supply system. 6. D C Injection Braking: A form of braking of an induction motor in which a separate DC supply is used to magnetize the motor. 7. Plugging: A form of braking of an induction motor obtained by reversing the phase sequence of its any two lines.
SELECTION CHART FOR BCH CRANE DUTY SQUIRREL CAGE INDUCTION MOTORS S3 Duty 60 Starts/hr Frame Size
Rated RPM
Ist / Ir
Tpo / Tr
40% CDF
60% CDF
S4 & S5 Duty 150 Starts/hr 100% CDF
40% CDF
60% CDF
100% CDF
kW
Amps
kW
Amps
kW
Amps
kW
Amps
kW
Amps
kW
Amps
1.6
0.55
1.6
0.55
1.56
0.55
1.6
0.55
1.6
0.55
1.6
4 POLE 71
1320
2.25
2.75
0.55
80
1350
2.30
2.75
0.75
2.0
0.75
2.0
0.75
1.78
0.75
2.0
0.75
2.0
0.75
2.0
80
1365
2.80
2.50
1.1
2.85
1.1
2.85
1.1
2.8
1.1
2.85
1.1
2.85
1.1
2.85
90S
1375
2.25
2.50
1.5
3.7
1.5
3.7
1.5
3.7
1.5
3.7
1.5
3.7
1.5
3.7
90L
1375
2.50
2.75
2.2
5.2
2.2
5.2
2.2
4.95
2.2
5.2
2.2
5.2
2.2
5.2
100L
1395
2.70
2.50
3.7
8.2
3.7
8.2
3.7
7.95
3.7
8.2
3.7
8.2
3.7
8.2
112M
1400
2.90
3.00
5.5
12.0
5.5
12.0
5.5
12.4
5.5
12.0
5.5
12.0
5.5
12.0
132S
1415
2.25
2.50
7.5
15.9
7.5
15.9
7.5
14.8
7.5
15.9
7.5
15.9
7.5
15.9
132M
1415
2.70
3.00
9.3
19.2
9.3
19.2
9.3
18.1
9.3
19.2
9.3
19.2
9.3
19.2
160M
1430
2.25
2.50
11.0
23.0
11.0
23.0
11.0
22.0
11.0
23.0
11.0
23.0
11.0
23.0
160M
1430
2.30
2.50
15.0
31.0
15.0
31.0
15.0
30.0
15.0
31.0
15.0
31.0
15.0
31.0
160L
1430
2.60
3.00
18.5
37.5
18.5
37.5
18.5
34.5
18.5
37.5
18.5
37.5
18.5
37.5
180M
1440
2.60
3.00
22.0
44.0
22.0
44.0
22.0
41.0
22.0
44.0
22.0
44.0
22.0
44.0
180L
1440
2.70
3.00
30.0
58.0
30.0
58.0
30.0
53.0
30.0
58.0
30.0
58.0
30.0
58.0
71
870
1.60
1.80
0.37
1.25
0.37
1.25
0.37
1.25
0.37
1.25
0.37
1.25
0.37
1.25
80
870
2.25
2.50
0.55
1.75
0.55
1.75
0.55
1.75
0.55
1.75
0.55
1.75
0.55
1.75
6 POLE
80
870
2.25
2.50
0.75
2.2
0.75
2.2
0.75
2.2
0.75
2.2
0.75
2.2
0.75
2.2
90S
895
2.25
2.50
1.1
3.2
1.1
3.2
1.1
3.2
1.1
3.2
1.1
3.2
1.1
3.2
90L
895
2.25
2.50
1.5
4.2
1.5
4.2
1.5
4.2
1.5
4.2
1.5
4.2
1.5
4.2
100L
905
2.25
2.50
2.2
5.5
2.2
5.5
2.2
5.5
2.2
5.5
2.2
5.5
2.2
5.5
112M
915
2.25
2.50
3.7
8.8
3.7
8.8
3.7
8.8
3.7
8.8
3.7
8.8
3.7
8.8
132S
930
2.25
2.50
5.5
12.8
5.5
12.8
5.5
12.8
5.5
12.8
5.5
12.8
5.5
12.8
132M
935
2.30
2.60
7.5
17.0
7.5
17.0
7.5
17.0
7.5
17.0
7.5
17.0
7.5
17.0
160M
945
2.30
2.60
9.3
21.0
9.3
21.0
9.3
21.0
9.3
21.0
9.3
21.0
9.3
21.0
160L
950
2.30
2.60
11.0
24.0
11.0
24.0
11.0
24.0
11.0
24.0
11.0
24.0
11.0
24.0
160L
955
2.25
2.50
15.0
32.0
15.0
32.0
15.0
32.0
15.0
32.0
15.0
32.0
15.0
32.0
180L
960
2.60
3.00
18.5
38.5
18.5
38.5
18.5
38.5
18.5
38.5
18.5
38.5
18.5
38.5
200L
960
2.60
3.00
22.0
45.0
22.0
45.0
22.0
45.0
22.0
45.0
22.0
45.0
22.0
45.0
90S
650
2.25
2.75
0.55
2.1
0.55
2.1
0.55
2.1
0.55
2.1
0.55
2.1
0.55
2.1
90L
665
2.25
2.75
0.75
2.3
0.75
2.3
0.75
2.3
0.75
2.3
0.75
2.3
0.75
2.3
100L
665
2.25
2.75
1.1
3.4
1.1
3.4
1.1
3.4
1.1
3.4
1.1
3.4
1.1
3.4
8 POLE
100L
665
2.25
2.75
1.5
4.3
1.5
4.3
1.5
4.3
1.5
4.3
1.5
4.3
1.5
4.3
112M
685
2.25
2.75
2.2
5.7
2.2
5.7
2.2
5.7
2.2
5.7
2.2
5.7
2.2
5.7
132S
695
2.25
2.75
3.7
9.8
3.7
9.8
3.7
9.8
3.7
9.8
3.7
9.8
3.7
9.8
132M
695
2.25
2.75
5.5
13.5
5.5
13.5
5.5
13.5
5.5
13.5
5.5
13.5
5.5
13.5
160M
695
2.25
2.75
7.5
18.0
7.5
18.0
7.5
18.0
7.5
18.0
7.5
18.0
7.5
18.0
160L
695
2.25
2.75
9.3
22.0
9.3
22.0
9.3
22.0
9.3
22.0
9.3
22.0
9.3
22.0
180M
700
2.25
2.75
11.0
26.5
11.0
26.5
11.0
26.5
11.0
26.5
11.0
26.5
11.0
26.5
180L
700
2.25
2.75
15.0
34.0
15.0
34.0
15.0
34.0
15.0
34.0
15.0
34.0
15.0
34.0
200L
705
2.25
2.75
18.5
41.0
18.5
41.0
18.5
41.0
18.5
41.0
18.5
41.0
18.5
41.0
: 0.18 to 30 kW (Higher sizes on request) : 1500, 1000, 750 : Foot (B3), flange (B5), face (B14) & combinations Frame : 71 to 200L Voltage : 415V ± 10% or as required Frequency : 50Hz ± 5% or as required Ambient : 45°C. For motors other than this, a deration factor is applied as per Fig. 1 Altitude : upto 1000m above MSL. Rotor type : Squirrel cage aluminium die cast Enclosure : Totally enclosed fan cooled (TEFC) Protection : IP55 Insulation class : Class F insulation with temp. rise limited to class B Duty cycle : S3 – S5 Standards : IS: 325, IS: 1231, IS: 2223 & IS: 4722
Fig. 1: Deration factor Ambient temp. 45°C 50°C 55°C 60°C
Deration factor 0.96 0.90 0.83 0.75
CONSTRUCTION: Castings: “BCH” crane duty motors’ housings & end shields are made from high quality castings as per IS: 210. All components are machined to correct accuracy & alignment. Stampings: The stampings are made from low loss high permeability steel (M45 grade CRNGO steel)
Terminal Box: Standard location of terminal box is on top. However the terminal box on right or left side can be provided on request. The terminal box can be rotated in steps of 90° in each position. MOTORS WITH INTEGRAL BRAKES: These motors can be supplied with integral electromagnetic DC fail safe brakes with built in rectifiers. ENQUIRY DETAILS: When placing an enquiry, please furnish the following details; • • • • • • • •
Application details Motor power & speed Voltage & frequency variations Mounting No. of start/stops per hour with duty & CDF Load GD² at motor speed Load torque or torque/speed curve of driven equipment Duty cycle diagram if other than those described herein
DEFINITIONS: The terms frequently used in the intermittent duty drives are as follows; 1. Duty: Operation of the motor at load including no load & deenergized period to which the motor is subjected including the sequence & duration. 2. Cyclic Duration Factor (CDF): The ratio between the period of loading including starting & electric braking and the duration of the duty cycle expressed as percentage. 3. Starting: The process of energizing a motor to bring it upto its rated speed from rest. 4. Electric Braking: A system in which a braking action is applied to an electric motor by causing it to act as a generator. 5. Regenerative Braking: A system of electric braking in which energy is returned to the supply system. 6. D C Injection Braking: A form of braking of an induction motor in which a separate DC supply is used to magnetize the motor. 7. Plugging: A form of braking of an induction motor obtained by reversing the phase sequence of its any two lines.
SELECTION CHART FOR BCH CRANE DUTY SQUIRREL CAGE INDUCTION MOTORS S3 Duty 60 Starts/hr Frame Size
Rated RPM
Ist / Ir
Tpo / Tr
40% CDF
60% CDF
S4 & S5 Duty 150 Starts/hr 100% CDF
40% CDF
60% CDF
100% CDF
kW
Amps
kW
Amps
kW
Amps
kW
Amps
kW
Amps
kW
Amps
1.6
0.55
1.6
0.55
1.56
0.55
1.6
0.55
1.6
0.55
1.6
4 POLE 71
1320
2.25
2.75
0.55
80
1350
2.30
2.75
0.75
2.0
0.75
2.0
0.75
1.78
0.75
2.0
0.75
2.0
0.75
2.0
80
1365
2.80
2.50
1.1
2.85
1.1
2.85
1.1
2.8
1.1
2.85
1.1
2.85
1.1
2.85
90S
1375
2.25
2.50
1.5
3.7
1.5
3.7
1.5
3.7
1.5
3.7
1.5
3.7
1.5
3.7
90L
1375
2.50
2.75
2.2
5.2
2.2
5.2
2.2
4.95
2.2
5.2
2.2
5.2
2.2
5.2
100L
1395
2.70
2.50
3.7
8.2
3.7
8.2
3.7
7.95
3.7
8.2
3.7
8.2
3.7
8.2
112M
1400
2.90
3.00
5.5
12.0
5.5
12.0
5.5
12.4
5.5
12.0
5.5
12.0
5.5
12.0
132S
1415
2.25
2.50
7.5
15.9
7.5
15.9
7.5
14.8
7.5
15.9
7.5
15.9
7.5
15.9
132M
1415
2.70
3.00
9.3
19.2
9.3
19.2
9.3
18.1
9.3
19.2
9.3
19.2
9.3
19.2
160M
1430
2.25
2.50
11.0
23.0
11.0
23.0
11.0
22.0
11.0
23.0
11.0
23.0
11.0
23.0
160M
1430
2.30
2.50
15.0
31.0
15.0
31.0
15.0
30.0
15.0
31.0
15.0
31.0
15.0
31.0
160L
1430
2.60
3.00
18.5
37.5
18.5
37.5
18.5
34.5
18.5
37.5
18.5
37.5
18.5
37.5
180M
1440
2.60
3.00
22.0
44.0
22.0
44.0
22.0
41.0
22.0
44.0
22.0
44.0
22.0
44.0
180L
1440
2.70
3.00
30.0
58.0
30.0
58.0
30.0
53.0
30.0
58.0
30.0
58.0
30.0
58.0
71
870
1.60
1.80
0.37
1.25
0.37
1.25
0.37
1.25
0.37
1.25
0.37
1.25
0.37
1.25
80
870
2.25
2.50
0.55
1.75
0.55
1.75
0.55
1.75
0.55
1.75
0.55
1.75
0.55
1.75
6 POLE
80
870
2.25
2.50
0.75
2.2
0.75
2.2
0.75
2.2
0.75
2.2
0.75
2.2
0.75
2.2
90S
895
2.25
2.50
1.1
3.2
1.1
3.2
1.1
3.2
1.1
3.2
1.1
3.2
1.1
3.2
90L
895
2.25
2.50
1.5
4.2
1.5
4.2
1.5
4.2
1.5
4.2
1.5
4.2
1.5
4.2
100L
905
2.25
2.50
2.2
5.5
2.2
5.5
2.2
5.5
2.2
5.5
2.2
5.5
2.2
5.5
112M
915
2.25
2.50
3.7
8.8
3.7
8.8
3.7
8.8
3.7
8.8
3.7
8.8
3.7
8.8
132S
930
2.25
2.50
5.5
12.8
5.5
12.8
5.5
12.8
5.5
12.8
5.5
12.8
5.5
12.8
132M
935
2.30
2.60
7.5
17.0
7.5
17.0
7.5
17.0
7.5
17.0
7.5
17.0
7.5
17.0
160M
945
2.30
2.60
9.3
21.0
9.3
21.0
9.3
21.0
9.3
21.0
9.3
21.0
9.3
21.0
160L
950
2.30
2.60
11.0
24.0
11.0
24.0
11.0
24.0
11.0
24.0
11.0
24.0
11.0
24.0
160L
955
2.25
2.50
15.0
32.0
15.0
32.0
15.0
32.0
15.0
32.0
15.0
32.0
15.0
32.0
180L
960
2.60
3.00
18.5
38.5
18.5
38.5
18.5
38.5
18.5
38.5
18.5
38.5
18.5
38.5
200L
960
2.60
3.00
22.0
45.0
22.0
45.0
22.0
45.0
22.0
45.0
22.0
45.0
22.0
45.0
90S
650
2.25
2.75
0.55
2.1
0.55
2.1
0.55
2.1
0.55
2.1
0.55
2.1
0.55
2.1
90L
665
2.25
2.75
0.75
2.3
0.75
2.3
0.75
2.3
0.75
2.3
0.75
2.3
0.75
2.3
100L
665
2.25
2.75
1.1
3.4
1.1
3.4
1.1
3.4
1.1
3.4
1.1
3.4
1.1
3.4
8 POLE
100L
665
2.25
2.75
1.5
4.3
1.5
4.3
1.5
4.3
1.5
4.3
1.5
4.3
1.5
4.3
112M
685
2.25
2.75
2.2
5.7
2.2
5.7
2.2
5.7
2.2
5.7
2.2
5.7
2.2
5.7
132S
695
2.25
2.75
3.7
9.8
3.7
9.8
3.7
9.8
3.7
9.8
3.7
9.8
3.7
9.8
132M
695
2.25
2.75
5.5
13.5
5.5
13.5
5.5
13.5
5.5
13.5
5.5
13.5
5.5
13.5
160M
695
2.25
2.75
7.5
18.0
7.5
18.0
7.5
18.0
7.5
18.0
7.5
18.0
7.5
18.0
160L
695
2.25
2.75
9.3
22.0
9.3
22.0
9.3
22.0
9.3
22.0
9.3
22.0
9.3
22.0
180M
700
2.25
2.75
11.0
26.5
11.0
26.5
11.0
26.5
11.0
26.5
11.0
26.5
11.0
26.5
180L
700
2.25
2.75
15.0
34.0
15.0
34.0
15.0
34.0
15.0
34.0
15.0
34.0
15.0
34.0
200L
705
2.25
2.75
18.5
41.0
18.5
41.0
18.5
41.0
18.5
41.0
18.5
41.0
18.5
41.0
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